diff options
Diffstat (limited to 'drivers/dma/txx9dmac.c')
-rw-r--r-- | drivers/dma/txx9dmac.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/dma/txx9dmac.c b/drivers/dma/txx9dmac.c index 3ebc61067e54..e528e15f44ab 100644 --- a/drivers/dma/txx9dmac.c +++ b/drivers/dma/txx9dmac.c @@ -938,12 +938,16 @@ txx9dmac_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl, return &first->txd; } -static void txx9dmac_terminate_all(struct dma_chan *chan) +static int txx9dmac_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd) { struct txx9dmac_chan *dc = to_txx9dmac_chan(chan); struct txx9dmac_desc *desc, *_desc; LIST_HEAD(list); + /* Only supports DMA_TERMINATE_ALL */ + if (cmd != DMA_TERMINATE_ALL) + return -EINVAL; + dev_vdbg(chan2dev(chan), "terminate_all\n"); spin_lock_bh(&dc->lock); @@ -958,6 +962,8 @@ static void txx9dmac_terminate_all(struct dma_chan *chan) /* Flush all pending and queued descriptors */ list_for_each_entry_safe(desc, _desc, &list, desc_node) txx9dmac_descriptor_complete(dc, desc); + + return 0; } static enum dma_status @@ -1153,7 +1159,7 @@ static int __init txx9dmac_chan_probe(struct platform_device *pdev) dc->dma.dev = &pdev->dev; dc->dma.device_alloc_chan_resources = txx9dmac_alloc_chan_resources; dc->dma.device_free_chan_resources = txx9dmac_free_chan_resources; - dc->dma.device_terminate_all = txx9dmac_terminate_all; + dc->dma.device_control = txx9dmac_control; dc->dma.device_is_tx_complete = txx9dmac_is_tx_complete; dc->dma.device_issue_pending = txx9dmac_issue_pending; if (pdata && pdata->memcpy_chan == ch) { |